/**
 * Created by cc
 * Description:
 * User: CZH
 * Date: 2022-09-26
 * Time: 10:55
 */
class A{
    private static void test(){
        System.out.println("test");
    }
}
class B extends A{

}
class C extends B{

}
public class Test01 {
    public static void main(String[] args) {
//        ((A)null).test();
    }
}
